20197668868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{30319}}^1$

素因数の和:30916

約数の個数: 48

約数和(自身を含む): 39792453120

約数和(自身を除く): 19594784252

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 557, 598, 1114, 1196, 2228, 7241, 12811, 14482, 25622, 28964, 30319, 51244, 60638, 121276, 166543, 333086, 394147, 666172, 697337, 788294, 1394674, 1576588, 2789348, 9065381, 16887683, 18130762, 33775366, 36261524, 67550732, 219539879, 388416709, 439079758, 776833418, 878159516, 1553666836, 5049417217, 10098834434, 20197668868]

約数ペア:

[(1, 20197668868), (2, 10098834434), (4, 5049417217), (13, 1553666836), (23, 878159516), (26, 776833418), (46, 439079758), (52, 388416709), (92, 219539879), (299, 67550732), (557, 36261524), (598, 33775366), (1114, 18130762), (1196, 16887683), (2228, 9065381), (7241, 2789348), (12811, 1576588), (14482, 1394674), (25622, 788294), (28964, 697337), (30319, 666172), (51244, 394147), (60638, 333086), (121276, 166543)]